Open-source music sketchpad: AI writes parts into a piano roll you can edit
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When the guitar is in another room, this is the rare web instrument that sounds good enough to actually work a chord progression out on.
Four instruments — steel-string, classical, electric and bass — sampled from real recordings, played by keyboard, touch or mouse. It carries fifteen chords in each of twenty-four keys with shapes drawn on the neck, ten tunings, a capo and fifty-six strum patterns. Fifty-one songs come set up with key and tempo, playback slows to 20 per cent, and you can paste in ChordPro. A backing band adds drum styles and bass lines, and ten-minute takes export as WAV. No install, no account, free. The Hacker News thread praised the interface and argued with the default string orientation.
Open-source music sketchpad: AI writes parts into a piano roll you can edit
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